<template>
  <BasicModal
    v-bind="$attrs"
    destroyOnClose
    @register="register"
    title="Modal Title"
    :helpMessage="['提示1', '提示2']"
    @visible-change="handleShow"
  >
    <template #insertFooter>
      <a-button type="primary" danger @click="setLines" :disabled="loading"
        >点我更新内容</a-button
      >
    </template>
    <template v-if="loading">
      <div class="empty-tips">加载中，稍等3秒……</div>
    </template>
    <template v-if="!loading">
      <ul>
        <li v-for="index in lines" :key="index">加载完成{{ index }}！</li>
      </ul>
    </template>
  </BasicModal>
</template>
<script lang="ts">
import { defineComponent, ref, watch } from "vue";
import { useModalInner } from "$/components/Modal";
export default defineComponent({
  setup() {
    const loading = ref(true);
    const lines = ref(10);
    const [register, { setModalProps, redoModalHeight }] = useModalInner();

    watch(
      () => lines.value,
      () => {
        redoModalHeight();
      }
    );

    function handleShow(visible: boolean) {
      if (visible) {
        loading.value = true;
        setModalProps({ loading: true, confirmLoading: true });
        setTimeout(() => {
          lines.value = Math.round(Math.random() * 30 + 5);
          loading.value = false;
          setModalProps({ loading: false, confirmLoading: false });
        }, 3000);
      }
    }

    function setLines() {
      lines.value = Math.round(Math.random() * 20 + 10);
    }
    return { register, loading, handleShow, lines, setLines };
  },
});
</script>
<style scoped>
.empty-tips {
  height: 100px;
  line-height: 100px;
  text-align: center;
}
</style>
